78% (2014)

43% (2007)

66% (2008)

65% (1981)

53% (2013)

70% (1970)

20% (2020)

78% (2015)

0% (2011)

62% (2006)

76% (2014)

68% (2010)

58% (1999)

80% (2008)

62% (1987)

77% (2009)

41% (2015)

0% (2008)

0% (2014)

50% (2010)